Air Quality
Excellent
No health implications.
25
PM2.5
28
PM10
83
O3
0.4
CO
2
SO2
15
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
9 May
50
Excellent
Sat
10 May
45
Excellent
Sun
11 May
83
Good
Mon
12 May
97
Good
Tue
13 May
98
Good
Wed
14 May
59
Good
Thu
15 May
23
Excellent
Air quality in the last 12 months (Tieling County)
|
2025/02
|
144
|
193
|
96
|
66
|
55
|
73
|
55
|
53
|
69
|
59
|
64
|
47
|
74
|
94
|
109
|
51
|
26
|
22
|
37
|
47
|
45
|
50
|
49
|
57
|
85
|
62
|
99
|
142
|
|||
|
2025/01
|
47
|
49
|
53
|
64
|
106
|
113
|
45
|
27
|
47
|
54
|
71
|
87
|
88
|
71
|
39
|
52
|
68
|
71
|
91
|
84
|
82
|
112
|
130
|
108
|
93
|
136
|
132
|
46
|
114
|
94
|
109
|
|
2024/12
|
34
|
24
|
40
|
32
|
35
|
27
|
45
|
52
|
62
|
60
|
37
|
70
|
66
|
50
|
39
|
37
|
38
|
48
|
48
|
65
|
55
|
56
|
61
|
53
|
74
|
43
|
43
|
49
|
61
|
64
|
42
|
|
2024/11
|
65
|
88
|
96
|
29
|
34
|
41
|
35
|
55
|
53
|
43
|
38
|
48
|
54
|
46
|
44
|
31
|
19
|
19
|
39
|
82
|
75
|
44
|
65
|
62
|
51
|
21
|
38
|
37
|
49
|
52
|
|
|
2024/10
|
17
|
31
|
32
|
44
|
50
|
53
|
28
|
40
|
45
|
25
|
46
|
39
|
68
|
52
|
16
|
42
|
70
|
44
|
20
|
40
|
33
|
28
|
36
|
60
|
101
|
78
|
30
|
43
|
112
|
89
|
105
|
|
2024/09
|
22
|
12
|
33
|
40
|
20
|
20
|
26
|
34
|
40
|
19
|
27
|
23
|
33
|
15
|
22
|
38
|
41
|
30
|
36
|
12
|
16
|
24
|
30
|
39
|
31
|
28
|
33
|
39
|
41
|
14
|
|
|
2024/08
|
21
|
16
|
34
|
29
|
18
|
25
|
41
|
38
|
40
|
24
|
24
|
21
|
19
|
23
|
27
|
25
|
30
|
35
|
27
|
22
|
21
|
16
|
20
|
43
|
17
|
21
|
20
|
28
|
35
|
40
|
26
|
|
2024/07
|
59
|
52
|
15
|
46
|
48
|
35
|
29
|
44
|
44
|
43
|
63
|
67
|
61
|
58
|
61
|
45
|
18
|
49
|
48
|
21
|
42
|
27
|
38
|
24
|
23
|
9
|
25
|
21
|
34
|
48
|
24
|
|
2024/06
|
20
|
23
|
24
|
44
|
51
|
48
|
40
|
30
|
27
|
44
|
51
|
46
|
39
|
28
|
17
|
38
|
45
|
62
|
52
|
42
|
39
|
33
|
52
|
11
|
25
|
33
|
47
|
46
|
39
|
29
|
|
|
2024/05
|
55
|
66
|
62
|
61
|
37
|
48
|
46
|
53
|
63
|
83
|
90
|
41
|
57
|
63
|
32
|
24
|
46
|
54
|
28
|
19
|
41
|
44
|
23
|
28
|
35
|
17
|
18
|
31
|
56
|
50
|
18
|
|
2024/04
|
58
|
77
|
46
|
76
|
103
|
81
|
140
|
140
|
175
|
109
|
64
|
62
|
49
|
68
|
226
|
134
|
78
|
56
|
63
|
174
|
98
|
62
|
77
|
54
|
61
|
87
|
69
|
21
|
37
|
58
|
|
|
2024/03
|
35
|
44
|
43
|
51
|
37
|
38
|
48
|
33
|
53
|
96
|
75
|
53
|
73
|
116
|
102
|
201
|
90
|
89
|
106
|
69
|
68
|
38
|
110
|
32
|
64
|
85
|
69
|
135
|
90
|
72
|
56
|
|
1
|
2
|
3
|
4
|
5
|
6
|
7
|
8
|
9
|
10
|
11
|
12
|
13
|
14
|
15
|
16
|
17
|
18
|
19
|
20
|
21
|
22
|
23
|
24
|
25
|
26
|
27
|
28
|
29
|
30
|
31
|
- Excellent
- Good
- Lightly
- Moderately
- Heavily
- Severely
Air quality source: CNEMC
*: primary pollution